In terms of precipitation, rainfall in Patagonia ranges from 1.2 - 2.4 inches per month. August is typically the wettest month, when rainfall can reach 2.4 in. January is typically the driest time to visit Patagonia when rainfall is around 1.2 in.
If weather is an important factor for your trip to Patagonia, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 50.0 F. Travelers looking to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 35.6 F).